Knocking up my brother's wife: My sister-in-law can't resist my seed

Golden boy Seiichi has never failed in anything before -- until now, at least. After experiencing failure for the first time at this age, he might not be able to recover. That's when Ryuji makes a suggestion to Risa: "I'll get you pregnant in place of my brother."

Steam store (publisher's text)

Adventure

About this game

Short description by Tensei Games, quoted from the Steam store · Steam store page

Trailer and screenshots

Image credits

Cover: Steam · Steam Web API Terms of Use; artwork (c) its publisher
Banner: Steam · Steam Web API Terms of Use; artwork (c) its publisher
Screenshots (6): Steam · Steam Web API Terms of Use; artwork (c) its publisher

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